Element - Þ∩ - Multiset Intersection

Characters: Þ, ∩

Description

Similar to set intersection, but with duplicates allowed.

Overloads

• lst-lst - multiset intersection of a and b

Examples

• ⟨1|2|3|4|5|6|7|8|9|10⟩ ⟨1|2|3|4|5|6|7|8|9|10⟩ Þ∩ = ⟨1|2|3|4|5|6|7|8|9|10⟩
• ⟨1|2|3|4|5|6|7|8|9|10⟩ ⟨1|2|3|4|5|6|7|8|9|10|11⟩ Þ∩ = ⟨1|2|3|4|5|6|7|8|9|10⟩
• ⟨1|1|2|2|2|3|3|3⟩ ⟨1|2|2|3⟩ Þ∩ = ⟨1|2|2|3⟩
• ⟨1|1|2|2|2|3|3|3⟩ ⟨1|2|2|3|4⟩ Þ∩ = ⟨1|2|2|3⟩
• ⟨⟩ ⟨⟩ Þ∩ = ⟨⟩
• ⟨1|2|3⟩ ⟨⟩ Þ∩ = ⟨⟩
• ⟨1|1|1⟩ ⟨1⟩ Þ∩ = ⟨1⟩
• 12 234 Þ∩ = ⟨2⟩
• 12 `12` Þ∩ = ⟨⟩
• `12` 12 Þ∩ = ⟨⟩
• ⟨3|3|3|2|2|2|2⟩ ⟨3|3|3|3|3|2⟩ Þ∩ = ⟨3|3|3|2⟩